  body,
  html {
      font: 14px/1.5 "PingFang SC", "微软雅黑", "Microsoft YaHei", Helvetica, "Helvetica Neue", Tahoma, Arial, sans-serif;
  }
  
  body {
      color: #2c3e50;
  }
  
  a,
  a:hover {
      text-decoration: none;
  }
  
  a:hover {
      color: #007aff;
  }
  
  ol,
  ul {
      padding-left: 1.2em;
  }
  
  h2 {
      font-size: 1.25rem;
      padding-bottom: .3rem;
      border-bottom: 1px solid #eaecef;
      margin-top: 2rem;
  }
  blockquote {
    font-size: 1.2rem;
    color: #999;
    border-left: .25rem solid #dfe2e5;
    margin-left: 0;
    padding-left: 1rem;
}
  .navbar,
  .sidebar-mask {
      position: fixed;
      top: 0;
      left: 0;
  }
  
  .navbar {
      z-index: 20;
      right: 0;
      height: 3.6rem;
      background-color: #2b313f;
      box-sizing: border-box;
      border-bottom: 1px solid #eaecef;
      padding: 0rem 1.5rem;
      line-height: 2.2rem;
      box-shadow: 0 2px 0 rgba(0, 0, 0, 0.1);
  }
  
  .header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 3.6rem;
      .header-left {
          height: 30px;
      }
  }
  
  .sidebar {
      font-size: 15px;
      background-color: #fff;
      position: fixed;
      z-index: 10;
      margin: 0;
      top: 3.6rem;
      bottom: 0;
      box-sizing: border-box;
      border-right: 1px solid #eaecef;
      overflow-y: auto;
      width: 20rem;
      left: 0;
      ul {
          padding: 0;
          margin: 0;
          list-style-type: none;
      }
      .sidebar-links {
          padding: 1.5rem 0;
          >div>li {
              >.sidebar-link {
                  font-weight: 700;
                      color: #333;
              }
          }
          .sidebar-link {
              font-weight: 400;
              display: inline-block;
              color: #999;
              border-left: .25rem solid transparent;
              padding: .35rem 1rem .35rem 1.25rem;
              line-height: 1.4;
              width: 100%;
              -webkit-box-sizing: border-box;
              box-sizing: border-box;
              &:hover {
                  color: #007aff;
              }
              &.active {
                  color: #ae81ff;
              }
          }
      }
      .sidebar-group:not(.first) {
          margin-top: 1em;
          .sidebar-heading {
              color: #333;
              -webkit-transition: color .15s ease;
              transition: color .15s ease;
              cursor: pointer;
              font-size: 1.1em;
              font-weight: 700;
              padding-left: 1.5rem;
              margin-top: 0;
              margin-bottom: .5rem;
          }
      }
      .sidebar-sub-headers {
          padding-left: 1rem;
          font-size: .95em;
          &.active {
              display: block;
          }
      }
  }
  
  .sidebar-group {
      a.sidebar-link {
          padding-left: 2rem !important;
      }
  }
  
   ::-webkit-scrollbar-track-piece {
      background-color: #f8f8f8
  }
  
   ::-webkit-scrollbar {
      width: 9px;
      height: 9px
  }
  
   ::-webkit-scrollbar-thumb {
      background-color: #ddd;
      background-clip: padding-box
  }
  
   ::-webkit-scrollbar-thumb:hover {
      background-color: #bbb
  }
  
  .search-box {
      display: inline-block;
      position: relative;
      margin-right: .5rem;
      input {
          cursor: pointer;
          width: 10rem;
          color: #4e6e8e;
          display: inline-block;
          border: 1px solid #cfd4db;
          border-radius: 2rem;
          font-size: .9rem;
          line-height: 2rem;
          padding: 0 .5rem 0 2rem;
          outline: none;
          -webkit-transition: all .2s ease;
          transition: all .2s ease;
          background: #fff url(/static/img/icons/search.svg) .6rem .5rem no-repeat;
          background-size: 1rem;
      }
  }
  
  .nav-links {
      display: inline-block;
      .nav-item {
          color: #999;
          cursor: pointer;
          font-size: 1.1rem;
          position: relative;
          display: inline-block;
          margin-left: 1.1rem;
          &.active {
              color:#ae81ff;
          }
      }
  }
  
  .page-right {
      padding-left: 20rem;
  }
  
  .page-content {
      padding: 5rem 2.5rem;
  }
  /* content */
  
  .content {
      position: relative;
      padding: 0em 0;
      max-width: 600px;
      margin: 0 auto;
  }
  
  .load-container {
      position: relative;
      overflow: hidden;
      box-sizing: border-box;
      margin: 0 auto 15px;
  }
  
  .load8 .loader,
  .load8 .loader:after {
      border-radius: 50%;
      width: 4em;
      height: 4em;
  }
  
  .load8 .loader {
      margin: 0em auto;
      font-size: 10px;
      position: relative;
      text-indent: -9999em;
      border-top: 0.5em solid rgba(49, 56, 72, 0.7);
      border-right: 0.5em solid rgba(49, 56, 72, 0.7);
      border-bottom: 0.5em solid rgba(49, 56, 72, 0.7);
      border-left: 0.5em solid rgba(49, 56, 72, 0.2);
      animation: load8 1.1s infinite linear;
  }
  
  .load7 .loader:before,
  .loader:after {
      content: '';
      position: absolute;
      top: 0;
  }
  
  -webkit-keyframes load8 {
      0% {
          -webkit-transform: rotate(0deg);
          transform: rotate(0deg);
      }
      100% {
          -webkit-transform: rotate(360deg);
          transform: rotate(360deg);
      }
  }
  
  .content:not(.custom)>h1,
  .content:not(.custom)>h2,
  .content:not(.custom)>h3,
  .content:not(.custom)>h4,
  .content:not(.custom)>h5,
  .content:not(.custom)>h6 {
      margin-top: -3.1rem;
      padding-top: 4.6rem;
      margin-bottom: 0;
  }
  
  #sidebar{
    display: none;
  }
  @keyframes load8 {
      0% {
          -webkit-transform: rotate(0deg);
          transform: rotate(0deg);
      }
      100% {
          -webkit-transform: rotate(360deg);
          transform: rotate(360deg);
      }
  }